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<h1 id="release-notes-for-cs43l22-component-drivers"><small>Release Notes for</small> <mark>CS43L22 Component Drivers</mark></h1>
<p>Copyright © 2014 STMicroelectronics<br />
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<a href="https://www.st.com" class="logo"><img src="../../../../_htmresc/st_logo.png" alt="ST logo" /></a>
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<h1 id="license">License</h1>
<p>Licensed by ST under BSD 3-Clause license (the "License"). You may not use this package except in compliance with the License. You may obtain a copy of the License at:</p>
<p><a href="https://opensource.org/licenses/BSD-3-Clause">https://opensource.org/licenses/BSD-3-Clause</a></p>
<h1 id="purpose">Purpose</h1>
<p>This directory contains the CS43L22 component drivers.</p>
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<h1 id="update-history">Update History</h1>
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<input type="checkbox" id="collapse-section22" checked aria-hidden="true"> <label for="collapse-section22" aria-hidden="true">V2.0.4 / 03-April-2019</label>
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<h2 id="main-changes">Main Changes</h2>
<ul>
<li>Update release notes format</li>
</ul>
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<input type="checkbox" id="collapse-section20" aria-hidden="true"> <label for="collapse-section20" aria-hidden="true">V2.0.3 / 31-August-2018</label>
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<h2 id="main-changes-1">Main Changes</h2>
<ul>
<li>Reformat the BSD 3-Clause license declaration in the files header (replace license terms by a web reference to OSI website where those terms lie)</li>
</ul>
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<input type="checkbox" id="collapse-section19" aria-hidden="true"> <label for="collapse-section19" aria-hidden="true">V2.0.2 / 02-October-2015</label>
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<h2 id="main-changes-2">Main Changes</h2>
<ul>
<li>cs43l22.c/.h:
<ul>
<li>Move VOLUME_CONVERT macro from cs43l22.h to cs43l22.c as internally used to convert volume.</li>
<li>Add literals instead of magic number for cs34l22 registers</li>
</ul></li>
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<input type="checkbox" id="collapse-section18" aria-hidden="true"> <label for="collapse-section18" aria-hidden="true">V2.0.1 / 16-September-2015</label>
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<h2 id="main-changes-3">Main Changes</h2>
<ul>
<li>cs43l22.c:
<ul>
<li>Enable the digital soft ramp to avoid clac noise</li>
<li>Improve mute/unmute by muting/unmuting also the DAC inputs</li>
</ul></li>
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<input type="checkbox" id="collapse-section18" aria-hidden="true"> <label for="collapse-section18" aria-hidden="true">V2.0.0 / 24-June-2015</label>
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<h2 id="main-changes-4">Main Changes</h2>
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<li>cs43l22.c/.h:
<ul>
<li>Add codec de-initialization function: cs43l22_DeInit()</li>
<li>Add Audio IO de-initialization function prototype: AUDIO_IO_DeInit()</li>
</ul></li>
</ul>
<p><strong><span class="underline"><span style="font-size: 10pt; font-family: Verdana; color: black;">NOTE</span></span></strong><br />
This release must be used with BSP Common driver V4.0.0 or later</p>
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<input type="checkbox" id="collapse-section17" aria-hidden="true"> <label for="collapse-section17" aria-hidden="true">V1.1.0 / 10-February-2015</label>
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<h2 id="main-changes-5">Main Changes</h2>
<ul>
<li>cs43l22.c/.h:
<ul>
<li>Add AUDIO_FREQUENCY_xxx defines for frequencies capabilities (8K to 192K)</li>
<li>Add codec reset function: cs43l22_Reset()</li>
</ul></li>
</ul>
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<input type="checkbox" id="collapse-section16" aria-hidden="true"> <label for="collapse-section16" aria-hidden="true">V1.0.1 / 02-December-2014</label>
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<h2 id="main-changes-6">Main Changes</h2>
<ul>
<li>cs43l22.c: change “\” by “/” in the include path to fix compilation issue under Linux</li>
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<input type="checkbox" id="collapse-section15" aria-hidden="true"> <label for="collapse-section15" aria-hidden="true">V1.0.0 / 18-February-2014</label>
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<h2 id="main-changes-7">Main Changes</h2>
<ul>
<li>First official release of CS43L22 audio codec</li>
</ul>
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